Elinkume USB/Solar Powered Flexible Neck Clip-on LED Reading Light Table Lamp LED Emergency Light (White) LED Lamps Eye-protecting Table Lights for Kids & Adults, Students & Office Workers, Suitable to Be Used at Home & in Dormitories & & Classrooms & Offices Uses around 80% less energy than normal incandescent bulbs and will last up to 50,000 hours. Metal gooseneck. The neck can be adjusted any way you feel comfy without uttering a sound Useful features such as Cycle Charging LED indicator and free twisted tube. Along with both of these features. This lamp provides you 3 different lighting modes. Suitable for every place - Can use in home, office, dorm, or travelling. Can use for reading, study, piano, bedside, and general light.